Individual provider Active NPI

Benjamin Siemanowski, M.D.

  • Gastroenterology Physician
  • Bellingham, WA
National Provider Identifier
1548301120
Registry record updated May 24, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
License
MD00047499 Issued in WA
Practice address
3111 Woburn St Ste 201
Bellingham, WA 98226-6610
Phone
(360) 734-1420
Fax
(360) 733-1659
NPI assigned
Feb 8, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 24, 2023

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Gastroenterology Physician 207RG0100X MD00047499 WA Primary

Addresses

Primary practice location

3111 Woburn St Ste 201
Bellingham, WA 98226-6610

Mailing address

3111 Woburn St Ste 201
Bellingham, WA 98226-6610
Phone (360) 734-1420

Other identifiers 4

IdentifierTypeStateIssuer
7201924OtherWAAETNA
1548301120MedicaidWA
2854SIOtherWAREGENCE
0229984OtherWAL&I AND CRIME VICTIMS

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20070525000302 WA Practitioner - GastroenterologyPractitioner - Internal Medicine 0244337285 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Internal Medicine
Education
Jefferson Medical College of Thomas Jefferson University, 2000
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Northwest Gastroenterology Professional LLCGroup PAC ID 9335052265, 13 clinicians

Practice addresses (Care Compare)

3111 Woburn St
Suite 201
Bellingham, WA 98226-6610
Phone (360) 734-1420

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Promoting interoperability
100
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy112
Upper gastrointestinal (GI) endoscopy for acid reflux100

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Northwest Gastroenterology Professional LLC Gastroenterology CurrentSince Aug 1, 2015 Accepting new patients
Peacehealth Past Accepting new patients

Locations

2901 Squalicum Pkwy
Bellingham, WA 98225
Phone (360) 734-5400

3111 Woburn St
Ste 201
Bellingham, WA 98226
Phone (360) 543-5054

2979 Squalicum Pkwy
Ste 301
Bellingham, WA 98225
Phone (360) 734-1420

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 4

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1170892800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1684886400000",
    "number": "1548301120",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3111 WOBURN ST STE 201",
            "city": "BELLINGHAM",
            "state": "WA",
            "postal_code": "982266610",
            "telephone_number": "360-734-1420",
            "fax_number": "360-733-1659"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3111 WOBURN ST STE 201",
            "city": "BELLINGHAM",
            "state": "WA",
            "postal_code": "982266610",
            "telephone_number": "360-734-1420",
            "fax_number": "360-733-1659"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEMANOWSKI",
        "first_name": "BENJAMIN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-02-08",
        "last_updated": "2023-05-24",
        "certification_date": "2023-05-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "WA",
            "license": "MD00047499",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "7201924",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1548301120",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "REGENCE",
            "identifier": "2854SI",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "L&I AND CRIME VICTIMS",
            "identifier": "0229984",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Bellingham, WA

Sources for this page

Verify at the official NPI Registry.